Earlier this year, rocket scientists at NASA fired up an electromagnetic thruster powered by lithium metal vapor.

Microsoft founder Bill Gates appears as a principal applicant on a patent published last week by the U.S. Patent and Trademark Office, but the concept in question isn’t computer-based; it’s an ...

IIIF provides researchers rich metadata and media viewing options for comparison of works across cultural heritage collections. Visit the IIIF page to learn more. No extant maker's marks. Devised and ...

This article on the early history of electromagnetic research discusses Joseph Henry's development of the first reciprocating motor in 1831. Discussion of Henry's work and an illustration of his ...